Hoe Zwaar is een Cyclo | Cyclokalender
CWiX 250
Cyclocalendar specialists have created an index that is ideally suited to compare the gravity of bike rides. Only the distance and altitude meters are part of the calculation, whereby the number of altitude meters per kilometer is also taken into account. And to make it easier to compare, we have put the Marmotte at 100.
The CWiX 500 is the ultimate gravity list of granfondo's

# Index Toughest Bike rides / City Country
1139.6The Nightmare Tour362KM / 6705ALTAdamstownUnited States
2129.9Cycletour450KM / 4350ALTBraunschweigGermany
3125.7Gemse190KM / 6950ALTMals Italy
4124.6Schwarzwald Super260KM / 6500ALTMünstertal/SchwarzwaldGermany
5123.6Alb Extrem300KM / 6000ALTOttenbachGermany
6123.2Les Fondus de l'Ubaye258KM / 6400ALTBarcelonnetteFrance
7121.4Terrible Two323KM / 5507ALTSebastopolUnited States
8121.0Mulholland Double Century322KM / 5486ALTAgoura HillsUnited States
9120.9Alpine Classic320KM / 5500ALTBrightAustralia
10120.9Cyclomontagnarde de Limoux en Pyrénées Audoises298KM / 5776ALTLimouxFrance
11118.4Rhön Radmarathon302KM / 5500ALTBimbachGermany
12118.3Cyclomontagnarde Luchon - Bayonne320KM / 5257ALTLuchonFrance
13115.8Yorkshire Beast324KM / 4968ALTCarlton MiniottUnited Kingdom
14114.9Rhön 300300KM / 5200ALTSchondraGermany
15106.8Fitz's Challenge255KM / 5000ALTCanberraAustralia
16103.7Belchen 3320KM / 3900ALTHeitersheimGermany
17103.6Cyclomontagnarde Cévennes et Gorges du Tarn225KM / 5000ALTVillefortFrance
18103.3Les dindes de l'Oeillon208KM / 5100ALTSaint-Paul-en-JarezFrance
19102.9Oslo - Lærdal365KM / 3122ALTOsloNorway
20102.8La Purito 145KM / 5200ALTSant Julià de LòriaAndorra
21102.5Liège-Bastogne-Liège Challenge266KM / 4500ALTLuikBelgium
22100.4L'Immortelle183KM / 5000ALTAretteFrance
23100.4Coast to Coast in a Day250KM / 4500ALTSeascaleUnited Kingdom
2497.5Jean Nelissen Classic220KM / 4540ALTViandenLuxembourg
2597.5Cyclomontagnarde du Morvan228KM / 4471ALTChâteau-ChinonFrance
2696.9Cyclomontagnarde des Hautes-Pyrénées196KM / 4668ALTArgelès-Gazost France
2796.7The Death Ride208KM / 4572ALTMarkleevilleUnited States
2896.3Cyclomontagnarde Du Jura233KM / 4320ALTLons-le-SaunierFrance
2996.3Cyclomontagnarde Du Jura233KM / 4320ALTLons-le-SaunierFrance
3095.8Nordschwarzwald-Radmarathon250KM / 4100ALTMagstadtGermany
3195.1 Burning Roads320KM / 3100ALTOchtrupGermany
3294.6Rosenheimer Radmarathon231KM / 4200ALTRosenheimGermany
3394.5Jean Racine230KM / 4200ALTSaint-Rémy-Lès-ChevreuseFrance
3494.3Mon Ventoux173KM / 4573ALTMalaucèneFrance
3593.6Cyclomontagnarde d'Annecy214KM / 4266ALTAnnecyFrance
3693.3Gran Fondo La Douce Montange131KM / 4500ALT AllemondFrance
3793.0LBL Ardennen Classic237KM / 4000ALTLuikBelgium
3893.0Schwarzwald Ultra Radmarathon230KM / 4070ALTAlpirsbachGermany
3992.85-canyons-bike-challenge188KM / 4387ALTLas VegasUnited States
4092.7Peaks Challenge235KM / 4000ALTFalls CreekAustralia
4191.5Cyclomontagnarde Des Vosges208KM / 4150ALTPfaffenheimFrance
4290.1Nordschwarzwald-Bosch-Radmarathon242KM / 3700ALTBühlGermany
4390.0Cyclomontagnarde Vercors218KM / 3938ALTCrestFrance
4489.9Amstel Gold Race240KM / 3706ALTValkenburgNetherlands
4587.5Hochfranken classic221KM / 3700ALTHof/KrötenbruckGermany
4687.4The Kidderminster Killer215KM / 3750ALTKidderminsterUnited Kingdom
4786.5Arber-Radmarathon250KM / 3300ALTDultplatz-RegensburgGermany
4885.5Tour Bakonyer Wald229KM / 3454ALTMagyarpolányHungary
4985.5Ring of Beara Cycle140KM / 4000ALTKenmareIreland
5084.4Gran Fondo Pissei Edita Pucinskaite wordt 20 juni 2021162KM / 3880ALTPistoiaItaly
5183.8Tharandter Fahrrad XXL Erztaler marathon230KM / 3300ALTKurort HarthaGermany
5283.6Ride around Graz209KM / 3500ALTGrazAustria
5383.2Eifel-Extremmarathon206KM / 3500ALTMayenGermany
5482.8Phil's Cookie Fondo114KM / 3749ALTCamarilloUnited States
5582.7Les 3 Cols130KM / 3800ALTBarcelonnetteFrance
5682.5Double Devil210KM / 3400ALTCross HandsUnited Kingdom
5782.5Giro Hattersheim220KM / 3300ALTHattersheimGermany
5882.0Prinzen Rolle Radmarathon212KM / 3340ALTPolchGermany
5981.7Tour De Manc200KM / 3429ALTManchesterUnited Kingdom
6081.1Diekirch-Valkenswaard260KM / 2700ALTDiekirchLuxembourg
6179.7Irati xtrem128KM / 3600ALTOchagavíaSpain
6279.7Hexenturm-Radmarathon215KM / 3120ALTIdsteinGermany
6379.2Limburgs Mooiste255KM / 2598ALTHeerlenNetherlands
6479.2VätternRundan315KM / 1700ALTMotalaSweden
6579.1Namur - Sint Hubert - Namur205KM / 3177ALTJambesBelgium
6678.8Mons-Chimay-Mons225KM / 2940ALTMonsBelgium
6778.8La Marmotte d'Olt200KM / 3196ALTSaint-Geniez-d'OltFrance
6878.8Pirker Grenzerfahrung205KM / 3150ALTPirkGermany
6978.8Int. 16 Talsperren Rundfahrt220KM / 3000ALTGevelsbergGermany
7078.7Tour of the Peak185KM / 3316ALTBakewellUnited Kingdom
7178.5La Magnifique185KM / 3300ALTRochefortBelgium
7278.5White Rose Classic192KM / 3245ALTIlkley United Kingdom
7378.4Hærvejsløbet 275KM / 2250ALTFlensburgDenmark
7478.1Mendig - Budel240KM / 2700ALTMendigGermany
7577.9Hegau-Bodensee-Panorama-Tour213KM / 3000ALTOrsingen-NenzingenGermany
7677.9Sole und Erz radmarathon213KM / 3000ALTBad SalzdetfurthGermany
7777.9Stockton Sportive170KM / 3361ALTStocktonUnited Kingdom
7877.9Wendelstein Rundfahrt208KM / 3050ALTAu bei Bad AiblingAustria
7977.8Forsbach-Tour212KM / 3000ALTZündorf Germany
8077.6Taunus-Vogelsberg-Marathon220KM / 2900ALTOppershofenGermany
8177.3Circuit des Cimes Ardennaises202KM / 3064ALTMarche en FamenneBelgium
8277.35 dales191KM / 3158ALTRichmondUnited Kingdom
8376.5Les Boucles de la Semois202KM / 3000ALTBertrixBelgium
8476.4Marathon RTF des VC Darmstadt220KM / 2800ALTDarmstadtGermany
8576.3Siljan Runt160KM / 3300ALTSollerönSweden
8675.9The Gyro224KM / 2713ALTStockton-on-TeesUnited Kingdom
8775.4Struggle Moors180KM / 3106ALTAmpleforthUnited Kingdom
8874.7Lippstadter Radmarathon203KM / 2840ALTLippstadt-DedinghausenGermany
8974.1Continental Welsh Wild West Sportive170KM / 3080ALTAberystwyth United Kingdom
9074.0Göllheimer Frühjahrs-Marathon202KM / 2800ALTGöllheimGermany
9173.9Von Buer zum Rhein333KM / 900ALTWesterholtGermany
9273.8Wicklow 200200KM / 2800ALTGreystonesIreland
9373.8Beskyd Tour163KM / 3100ALTBilaCzech Republic
9473.7Josef Oster Radmarathon218KM / 2600ALTOchtendungGermany
9573.6Neuseen Classics Radmarathon300KM / 1430ALTLeipzigGermany
9673.2Ardennes-Eifel Classic184KM / 2900ALTVaux-sur-SureBelgium
9773.0Grosse Weserrunde300KM / 1377ALTRintelnGermany
9872.8Grünberger Radmarathon220KM / 2500ALTGrünbergGermany
9972.6Odenwald Impressionen210KM / 2600ALTFrankfurtGermany
10072.5Hildesheimer Harz Radmarathon218KM / 2500ALTHildesheimGermany
10172.4Bonnet-Radmarathon217KM / 2500ALTWenigumstadtGermany
10272.4Styrkeprøven (half)279KM / 1655ALTKvamNorway
10372.4Tour de Dumoulin175KM / 2910ALTMaastrichtNetherlands
10472.2Flèche Ardennaise175KM / 2900ALTLimbourgBelgium
10572.2Dartmoor Classic177KM / 2880ALTNewton AbbotUnited Kingdom
10672.1Dams Challenge205KM / 2612ALTWest LeedervilleAustralia
10772.1Tour of Pembrokeshire165KM / 2965ALTSt. David'sUnited Kingdom
10872.1Aywaille - Bastogne - Aywaille180KM / 2850ALTAywailleBelgium
10972.0 Giant’s Causeway Coast Sportive185KM / 2800ALTBallycastleUnited Kingdom
11071.9Struggle Dales175KM / 2875ALTHarrogateUnited Kingdom
11171.9Marcha Jabi Amorrortu156KM / 3000ALTGernika-LumoSpain
11271.83-Seen Radmarathon204KM / 2600ALTKorbachGermany
11371.7Manchester-Sheffield-Manchester162KM / 2955ALTStockport United Kingdom
11471.5King of the Downs184KM / 2774ALTCrawleyUnited Kingdom
11571.5Les Balcons Foréziens150KM / 3000ALTBoën-sur-LignonFrance
11671.4Radmarathon 210KM / 2500ALTAltheim/AlbGermany
11771.3Peak District Road Sportive 128KM / 3048ALTNew Mills United Kingdom
11871.1Etape du Dales177KM / 2800ALTGrassingtonUnited Kingdom
11970.6Fexhe-Dinant-Fexhe185KM / 2690ALTFexhe-le-Haut-ClocherBelgium
12070.2Zum Schelder Wald201KM / 2500ALTGambachGermany
12169.8Giro delle Crete Sinesi188KM / 2600ALTMonteroni d'ArbiaItaly
12269.7Fish Rock117KM / 2947ALTBoonvilleUnited States
12369.2Teutoburger-Wald-Rundfahrt 203KM / 2400ALTBielefeldGermany
12469.0Great Ocean & Otway Classic Ride204KM / 2372ALTTorquayAustralia
12568.7Die Seeland Runde240KM / 1900ALTKoegeDenmark
12668.7Ripon Tour Sportive168KM / 2687ALTRiponUnited Kingdom
12768.7Storming of Thunder Ridge160KM / 2743ALTLynchburgUnited States
12868.6Maxime Monfort Classic150KM / 2800ALTStavelotBelgium
12967.9Marxa Cicloturista AMER – ST. MARTÍ SACALM139KM / 2800ALTSant Martí SacalmSpain
13067.7Giro Due Bacini130KM / 2807ALTPratoItaly
13167.5Bybike Tour225KM / 2000ALTBonnGermany
13267.5RSG Ford Rur-See-Marathon220KM / 2063ALTCologneGermany
13367.0Erftstadt-Venn Radmarathon205KM / 2200ALTLechenichGermany
13466.9Gran Fondo Lloret Costa Brava162KM / 2600ALTLloret de MarSpain
13566.7Peaks Tour Sportive160KM / 2600ALTBakewellUnited Kingdom
13666.7Olso - Mysen212KM / 2100ALTOsloNorway
13766.7TooMoo 220220KM / 2000ALTToowoombaAustralia
13866.6The Black Rat Gran Fondo181KM / 2423ALTBristolUnited Kingdom
13966.5The Smuggler128KM / 2732ALTBarnstaple United Kingdom
14066.4Klimclassic wordt 13 mei 2021170KM / 2500ALTMaastrichtNetherlands
14166.0Herner Radmarathon252KM / 1500ALTHerneGermany
14265.5Paul Blersch Trophy190KM / 2250ALTBad SchussenriedGermany
14365.5Main-Rhein-Main Marathon220KM / 1900ALTFrankfurtGermany
14465.3Noosa Classic160KM / 2500ALTTewantinAustralia
14565.0Stan Ockers Classic166KM / 2430ALTBeaufaysBelgium
14664.8Forest of Bowland Sportive160KM / 2460ALTMilnthorpeUnited Kingdom
14764.7La Chouffe Classic157KM / 2480ALTHouffalizeBelgium
14864.7Cyclone Challenge170KM / 2374ALTNewcastleUnited Kingdom
14964.7North162KM / 2442ALTHoughallUnited Kingdom
15064.6Jura Radmarathon206KM / 2000ALTLupburgGermany
15164.6Tour of the Bay200KM / 2070ALTHavelock NorthNew Zealand
15264.5Belmer Radmarathon/Teuto Tour205KM / 2000ALTBelmGermany
15364.4Steven Rooks Challenge150KM / 2500ALTValkenburgNetherlands
15464.0Eifel Trophy173KM / 2300ALTLimbourgBelgium
15563.9De Alternatieve Toertocht160KM / 2400ALTSoumagneBelgium
15663.7Borderlands170KM / 2300ALTWoolerUnited Kingdom
15763.6Gran Fondo di Gaggio Montano157KM / 2400ALTCastel d AianoItaly
15863.5Rhodes Tour182KM / 2171ALTRhodesGreece
15963.3The Merlin Ride150KM / 2426ALTNantgaredigUnited Kingdom
16063.1Bratwurst-Brevet215KM / 1765ALTRendsburgGermany
16162.3Orange Challenge170KM / 2200ALTOrange Australia
16262.1Tour of Lancashire161KM / 2262ALTFulwood United Kingdom
16361.9Ironbike Brittnau136KM / 2400ALTBrittnauSwitzerland
16461.9Kongeetapen200KM / 1850ALTFlensborgDenmark
16561.7Rhodes Tour156KM / 2266ALTRhodesGreece
16661.0Bergen - Voss170KM / 2100ALTBergenNorway
16760.8Castle Ride 100200KM / 1768ALTTonbridgeUnited Kingdom
16860.7Tour de Gwent150KM / 2240ALTNewportUnited Kingdom
16960.7Rhinkieker Radmarathon205KM / 1700ALTReesGermany
17060.6Ride Yorkshire Sportive193KM / 1835ALTThirskUnited Kingdom
17160.5Prenzlauer Hügelmarathon226KM / 1400ALTPrenzlauGermany
17260.4Sigma Sports Box Hill Original Sportive165KM / 2100ALTCranleighUnited Kingdom
17360.1La Fleche Andennaise Classic148KM / 2211ALTAndenneBelgium
17459.7Levallois-Cabourg225KM / 1350ALTLevellois-PerretFrance
17559.6 Paris-Nice Challenge 124KM / 2300ALTNiceFrance
17659.1Fischbrötchen in Büsum210KM / 1500ALTNortorfGermany
17759.1Journée Lausannoise du Vélo154KM / 2096ALTChalet-à-GobetSwitzerland
17858.7Volta Limburg Classic150KM / 2100ALTEijsdenNetherlands
17958.6Cycle Sunshine Gran Fondo128KM / 2215ALTMarcoolaAustralia
18058.5Cotswold Autumn Classic160KM / 2005ALTCirencesterUnited Kingdom
18158.4Vyking Ride162KM / 1977ALTYorkUnited Kingdom
18258.3Teuto-Panorama-Radmarathon159KM / 2000ALTBielefeldGermany
18358.3condor marathon201KM / 1550ALTImmendorfGermany
18458.2Les Cretes Thudiniennes160KM / 1980ALTEstinnes-au-MontBelgium
18558.2RG Hamburg Radmarathon220KM / 1300ALTHamburgGermany
18658.2Reservoir Dog Sportive125KM / 2202ALTBlessingtonIreland
18758.1Brevet Randonneurs Mondiaux 200km200KM / 1552ALTMouyFrance
18858.1Brevet Fédéral Picardo Normand200KM / 1552ALTMouyFrance
18958.1Whitby Sportive130KM / 2178ALTWhitbyUnited Kingdom
19058.1Marathon to Hell219KM / 1300ALTBarsbüttelGermany
19157.8Rhodes Tour148KM / 2052ALTRhodesGreece
19257.7Holsteiner Wellenritt214KM / 1340ALTKaltenkirchenGermany
19357.5Rund um die Schlei208KM / 1400ALTSchleswigGermany
19457.5La Favorite108KM / 2200ALTYverdon-les-BainsSwitzerland
19557.5Vom Olympiastadion zum Urstromtal210KM / 1370ALTBerlinGermany
19657.4Tour de Sauerland151KM / 2000ALTNeuenradeGermany
19757.2Brevet Cyclotouriste de la Montagne de Reims 155KM / 1952ALTReimsFrance
19857.1Ostseeradmarathon199KM / 1480ALTWismarGermany
19957.0May Flyer162KM / 1875ALTOxshottUnited Kingdom
20056.9Isle of Mull Sportive140KM / 2040ALTTobermoryUnited Kingdom
20156.8Au Phill des Bosses145KM / 2000ALTJemeppe sur SambreBelgium
20256.7Mad Summer Hare Sportive165KM / 1828ALTTanworth-in-ArdenUnited Kingdom
20356.6Schwarzwald-Rundfahrt150KM / 1950ALTKaistenSwitzerland
20456.4North Wales Road Sportive124KM / 2089ALTBlaenauUnited Kingdom
20556.4Evans Cycles North Wales Road Sportive 124KM / 2090ALTMoldUnited Kingdom
20656.2The Exmoor Beauty Sportive100KM / 2120ALTDevonUnited Kingdom
20756.2Tour Of The Pennines125KM / 2075ALTBarnard CastleUnited Kingdom
20856.1Taunton Flyer Sportive178KM / 1650ALTTauntonUnited Kingdom
20955.9Nordsee-Radmarathon206KM / 1300ALTHusumGermany
21055.9Rutland Cicle Tour 162KM / 1794ALTOakham United Kingdom
21155.7Ermelose Klim Toer180KM / 1600ALTErmeloNetherlands
21255.6The Cheshire Cat174KM / 1655ALTCheshireUnited Kingdom
21355.6Cotswolds sportive160KM / 1791ALTGloucestershireUnited Kingdom
21455.4Kanalfahrt210KM / 1200ALTRendsburgGermany
21554.8Oban Sportive140KM / 1900ALTObanUnited Kingdom
21654.8Malvern Mad Hatter Sportive160KM / 1735ALTMalvern WellsUnited Kingdom
21754.7Omloop Math Salden185KM / 1467ALTLimbrichtNetherlands
21854.5Hageland Classic185KM / 1450ALTMolBelgium
21954.4Bremer Roland Radmarathon217KM / 1027ALTBremenGermany
22054.3White Horse Sportive123KM / 1959ALTMiddlesbroughUnited Kingdom
22154.2Liphook Road Sportive144KM / 1828ALTLiphookUnited Kingdom
22254.1Desafio Delio Fernandez100KM / 2000ALTMoañaSpain
22354.1Greffener Frühlings-RTF/marathon210KM / 1100ALTGreffenGermany
22454.0Styrkepröven Peugeot Grand Prix en Styrkepröven Women Vélo192KM / 1327ALTLillehammerNorway
22553.91K Ride145KM / 1800ALTOosterbeekNetherlands
22653.8Memorial Pedro Llorente117KM / 1950ALTBalmoriSpain
22753.8Giro Stormarn220KM / 930ALTBad OldesloeGermany
22853.8Bodensee Radmarathon220KM / 931ALTAltenrheinSwitzerland
22953.5York–Leeds–York160KM / 1642ALTYorkUnited Kingdom
23053.5Daffodils Sportive142KM / 1796ALTThirskUnited Kingdom
23153.5Ay Up Yorkshire Sportive160KM / 1645ALTRiponUnited Kingdom
23253.3Sportive Kinross145KM / 1760ALTKinross United Kingdom
23353.0Västkusten Runt170KM / 1500ALTGothenburgSweden
23452.91. Etape – Tour de Midtjylland160KM / 1600ALTSilkeborgDenmark
23552.7 St. Christopherus radmarathon205KM / 1050ALTWerneGermany
23652.6Hennie Kuiper Classic120KM / 1863ALTIbbenbuerenGermany
23752.4Wallingford Festival of Cycling 160KM / 1562ALTWallingfordUnited Kingdom
23852.1Chaudfontaine-Durbuy135KM / 1750ALTVaux-sous-ChevremontBelgium
23952.0 L'Etape UK151KM / 1620ALTAmershamUnited Kingdom
24052.0Cross Border Sportive128KM / 1785ALTCumbriaUnited Kingdom
24151.7Westportif Cycling Challenge150KM / 1606ALTWestportIreland
24251.7Vael Ouwe wordt 5 juni 2021160KM / 1510ALTDierenNetherlands
24351.6Classica Penedes120KM / 1800ALTVilafranca del penedesSpain
24451.6Ring of Clare160KM / 1502ALTEnnisIreland
24551.2MOD Rocker Sportif105KM / 1828ALTAlwintonUnited Kingdom
24650.8Feyen Rundt170KM / 1340ALTOdenseDenmark
24750.6Nivelles - Namur - Nivelles135KM / 1650ALTNivellesBelgium
24850.4Ourthe et Aisne146KM / 1550ALTGrace-HollogneBelgium
24949.9Ride Dingle120KM / 1695ALTDingleIreland
25049.9La Courbet123KM / 1680ALTOrnansFrance


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